Lightbulb circa 1893

Catalogue number #1654960000

Early Lightbulb	Base of lightbulb

Description:

Early lightbulb with what appears to be a metal platinium filament which is intact. Turned brass bayonet base with plaster of paris filling. Acid etched on the glass "50. 16. 3 1/2." Probably by Swan Circa 1893. length 11cm

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